1. divide 6 and 6, both sides will not equal * |6 B: J6 c0 P9 M! }2 K# f2. take any side of the 6, divide then 3 and 3, again both sides will not equal : L$ v, W7 z8 d公仔箱論壇3. take any 2 and weigh themtvb now,tvbnow,bttvb) w+ ^+ n8 [2 O; p0 l
if they equal, the one left is the ball.